feat: implement actual webhook delivery

Implement full webhook delivery functionality:
- Create SendWebhookJob to handle HTTP POST requests
- Update WebhookChannel to dispatch webhook jobs
- Configure retry logic (5 attempts, 10s backoff)
- Update Test notification payload with success/message structure

Webhook payload structure:
{
  "success": true/false,
  "message": "notification message",
  "event": "event_type",
  "url": "coolify_dashboard_url"
}

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/Jobs/SendWebhookJob.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Jobs;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldBeEncrypted;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
+use Illuminate\Queue\InteractsWithQueue;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Http;
+
+class SendWebhookJob implements ShouldBeEncrypted, ShouldQueue
+{
+    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
+
+    /**
+     * The number of times the job may be attempted.
+     *
+     * @var int
+     */
+    public $tries = 5;
+
+    public $backoff = 10;
+
+    /**
+     * The maximum number of unhandled exceptions to allow before failing.
+     */
+    public int $maxExceptions = 5;
+
+    public function __construct(
+        public array $payload,
+        public string $webhookUrl
+    ) {
+        $this->onQueue('high');
+    }
+
+    /**
+     * Execute the job.
+     */
+    public function handle(): void
+    {
+        Http::post($this->webhookUrl, $this->payload);
+    }
+}

app/Notifications/Channels/WebhookChannel.php

@@ -2,8 +2,8 @@
 
 namespace App\Notifications\Channels;
 
+use App\Jobs\SendWebhookJob;
 use Illuminate\Notifications\Notification;
-use Illuminate\Support\Facades\Log;
 
 class WebhookChannel
 {
@@ -18,16 +18,8 @@ public function send(SendsWebhook $notifiable, Notification $notification): void
             return;
         }
 
-        // TODO: Implement actual webhook delivery
-        // This is a placeholder implementation
-        // You'll need to:
-        // 1. Get the webhook payload from $notification->toWebhook()
-        // 2. Create a job to send the HTTP POST request to $webhookSettings->webhook_url
-        // 3. Handle retries and errors appropriately
+        $payload = $notification->toWebhook();
 
-        Log::info('Webhook notification would be sent', [
-            'url' => $webhookSettings->webhook_url,
-            'notification' => get_class($notification),
-        ]);
+        SendWebhookJob::dispatch($payload, $webhookSettings->webhook_url);
     }
 }

app/Notifications/Test.php

@@ -116,8 +116,9 @@ public function toSlack(): SlackMessage
     public function toWebhook(): array
     {
         return [
-            'event' => 'test',
+            'success' => true,
             'message' => 'This is a test webhook notification from Coolify.',
+            'event' => 'test',
             'url' => base_url(),
         ];
     }